Home / 1,728,420.88-2,591,167.36-716,911.52

Finding the Fourth Proportional to 1,728,420.88, 2,591,167.36 and 716,911.52

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Solution

The fourth proportional to 1,728,420.88, 2,591,167.36 and 716,911.52 is: 1,074,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,420.88 : 2,591,167.36 = 716,911.52 : x
  2. Step 2: Convert to fraction form
    1,728,420.88/2,591,167.36 = 716,911.52/x
  3. Step 3: Cross multiply
    1,728,420.88x = 2,591,167.36 × 716,911.52
  4. Step 4: Simplify right side
    1,728,420.88x = 1,857,637,730,631.99
  5. Step 5: Solve for x
    x = 1,857,637,730,631.99/1,728,420.88
  6. Step 6: Final answer
    x = 1,074,760.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.